Ensure parameter names defined on interfaces, match the implementatio…

…n (#188)

src/formatter/null_style.cr

@@ -3,7 +3,7 @@ class Athena::Console::Formatter::NullStyle
   include Athena::Console::Formatter::OutputStyleInterface
 
   # :inherit:
-  def foreground=(forground : Colorize::Color)
+  def foreground=(foreground : Colorize::Color)
   end
 
   # :inherit:

src/formatter/output_style.cr

@@ -48,13 +48,13 @@ struct Athena::Console::Formatter::OutputStyle
   end
 
   # :inherit:
-  def foreground=(color : String)
-    if hex_value = color.lchop? '#'
+  def foreground=(foreground : String)
+    if hex_value = foreground.lchop? '#'
       r, g, b = hex_value.hexbytes
       return @foreground = Colorize::ColorRGB.new r, g, b
     end
 
-    @foreground = Colorize::ColorANSI.parse color
+    @foreground = Colorize::ColorANSI.parse foreground
   end
 
   # :inherit:

src/formatter/output_style_interface.cr

@@ -83,7 +83,7 @@ require "colorize"
 # the text and have it open in your default browser. Otherwise, you will see it as regular text.
 module Athena::Console::Formatter::OutputStyleInterface
   # Sets the foreground color of `self`.
-  abstract def foreground=(forground : Colorize::Color)
+  abstract def foreground=(foreground : Colorize::Color)
 
   # Sets the background color of `self`.
   abstract def background=(background : Colorize::Color)

src/output/console_output_interface.cr

@@ -8,7 +8,7 @@ module Athena::Console::Output::ConsoleOutputInterface
   abstract def error_output : ACON::Output::Interface
 
   # Sets the `ACON::Output::Interface` that represents `STDERR`.
-  abstract def error_output=(error_output : ACON::Output::Interface) : Nil
+  abstract def error_output=(stderr : ACON::Output::Interface) : Nil
 
   abstract def section : ACON::Output::Section
 end